iPhone Video Recorder Tutorial:

1, To install this application on your iPhone, you must know how to jail-break the iPhone and install the software needed. The following sites provide excellent information on this topic.
http://www.hacktheiphone.com/
http://lifehacker.com/software/how-to/jailbreak-your-iphone-or-ipod-touch-with-one-click-316287.php
http://www.appleiphonereview.com/iphone-tutorials/iphone-jailbreak/

2, Install it on your iPhone, how to install.
3, After installation, restart your iPhone, and the iPhone Video Recorder icon will be on your iPhone desktop.

4, Click the icon to launch iPhone Video Recorder.

5, Click "Record" button to start recording...

6, You may change the recording file format, bitrates, channel and so on by clicking "Setting" button.

7, Click to choose an item in the recording list as shown in point 4, and you'll get a dialog box as below.

How to-Iphone Video Recorder with really high fps+SOUND by alexosh1234:

Frequently asked questions